0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

Password Generating Principles: Method 2
By: Cernyr
December 24, 2016

Hello Cybrarians,In the first article , I showed you a passphrase generating method. In this second article, I would like to introduce you another one, the password matrix. This type is an upgraded version of the ancient SATOR square. The original was used for mythological/mystical purposes and can be viewed in the Pompeii ruins.The advanced version is basically a ...

Server Documentation Tool
By: infosectdk
December 23, 2016

Hello, Cybrarians!“Where is your documentation?”This question can be asked by an auditor, a C-Level manager, your boss or a colleague.If you document everything and are methodical in how you work – well done to you.  But for everyone else, well let’s just say procrastination can set in, or we are distracted, we all know the excuses we could ...

You Say Cyber Security, I Say Cybersecurity
By: rcubed
December 22, 2016

Being it’s the Thursday before Christmas I thought a somewhat less technical post was in order to get us in the Holiday spirit. It would also be a good opportunity to clear up an issue that’s been nagging me for a long time: what is the proper spelling of cybersecurity? I’ve seen it spelled as a single ...

Security Risks of a Cashless Economy
By: indrajeet
December 22, 2016

  November 8, 2016, was a great date for the entire world. On the one hand, U.S. election results were announced and on the other hand, the Prime Minister of India, Shri Narendra Modi announced demonetization in the country ( India ). If you are not from India, you might be thinking ...

Discovering the Operating System Using ICMP
By: ryanshady
December 22, 2016

Ping and Traceroute form a simple pair of tools for operating system recognition. The technique consists of the sum of the jumps and TTL. Firstly, we must be aware of the TTL return value of the various Operating Systems.- Cyclades = Usually 30- Linux = Usually 64- Windows = Usually 128- Cisco = Usually 255- Linux + ...

UNM4SK3D: Ads, Email, and Inflight Entertainment
By: Olivia
December 22, 2016

  #methbot Slow clap for fraud-prevention firm White Ops who discovered the biggest digital ad fraud ever, lovingly dubbed 'Methbot.'  This may sound like a bad dream, or just another episode of Breaking Bad, but Methbot, a 'robo-browser that spoofs all the necessary interactions needed to initiate, carry out and complete ad transactions,' ...

Intro to Common Layer 3, Layer 4 & Layer 7 DoS Attacks
By: baphomet1488
December 21, 2016

Common Layer 3 (network layer) and Layer 4 (transport layer) Attacks: ICMP (  Definition from The Tech Terms Dictionary   ) Stands for "Internet Control Message Protocol." When information is transferred over the Internet, computer systems ...

Write Blockers: A Central Part of a Forensic Analysts Toolbox
By: DaveB135
December 21, 2016

So, you are interested in becoming a digital forensic analyst?  That is great!  It is an exciting and growing field, one filled with many possibilities for the enthusiastic learner.  The purpose of this article is to introduce those interested in the forensics field with one of the most important tools in their toolbox, the hardware write blocker.Any computer ...

Here’s a Toast to Lists: What Skills, Certifications & Technologies are in Demand for 2017
By: Olivia
December 21, 2016

As the clock ticks down to midnight on December 31 st and signals the end of 2016, a year that’s been the center of a slew of ‘worst year ever’ memes and remarks across the internet, it is also a reminder of the predications and resolutions being made around the world. So before you raise a toast, consider what ...

Like to Break Stuff? You May Have a Career in Software Testing
By: rcubed
December 20, 2016

Were you the kind of kid that loved to take stuff apart to see how it worked? As an adult, are you constantly coming up with suggestions for how things could be better-designed and built? Do you have a pit bull-like tenacity for making sure that problems are acknowledged and resolved? If this sounds like you, then ...